Publisher : The Korean Society of Mechanical Engineers
DOI : 10.22634/KSME-B.2001.25.8.1097
Title & Authors
A Study on the Design Technique of a 5-valve Combustion Chamber for Subcompact Vehicles Lee, Gi-Hyeong; Seong, Baek-Gyu; Jeong, Yong-Ho;
For the purpose of development of high performance gasoline engine, the design technique of the 5-valve(3 intake valves) combustion chamber for a subcompact vehicle has been studied. 3 intake valves cylinder heads were designed by using a 3-dimension CAD program, and steady state flow experiments have been performed with these model. The 5-valve engines, which have larger valve opening areas, have larger intake flow rates and higher flow coefficient than the 4-valve engines. The effects of intake port design parameters of a 5-valve engine on the intake flow rate and bore size were studied, and the design guidelines for the 5-valve engine were established.